Inventor · disambiguated record
Ryuichi Kajiyama
Also filed as: KAJIYAMA RYUICHI
14 granted patents·124 citations·filing 1980–1986
92Inventor score
Files withMITSUBISHI ELECTRIC CORP14
Top patents by PatentIndex Score
14 records- 0161US4493399AElevator control systemMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Jan 15, 1985·16 cites·4 claims
- 0256US4354576ACommand speed generator system for elevator carMITSUBISHI ELECTRIC CORP·Filed 1980·Granted Oct 19, 1982·14 cites·2 claims
- 0353US4446946AElevator speed instruction generating systemMITSUBISHI ELECTRIC CORP·Filed 1981·Granted May 8, 1984·15 cites·7 claims
- 0450US4389631AElevator position detecting deviceMITSUBISHI ELECTRIC CORP·Filed 1980·Granted Jun 21, 1983·12 cites·8 claims
- 0547US4368518ACage position detecting apparatusMITSUBISHI ELECTRIC CORP·Filed 1980·Granted Jan 11, 1983·12 cites·3 claims
- 0645US4456096ATerminal slowdown apparatus for elevatorMITSUBISHI ELECTRIC CORP·Filed 1982·Granted Jun 26, 1984·9 cites·3 claims
- 0744US4356896AElevator terminal deceleration systemMITSUBISHI ELECTRIC CORP·Filed 1980·Granted Nov 2, 1982·9 cites·1 claims
- 0843US4351416AElevator control deviceMITSUBISHI ELECTRIC CORP·Filed 1980·Granted Sep 28, 1982·9 cites·3 claims
- 0941US4485895AElevator systemMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Dec 4, 1984·10 cites·5 claims
- 1035US4719994AFloor re-leveling apparatus for elevatorMITSUBISHI ELECTRIC CORP·Filed 1985·Granted Jan 19, 1988·6 cites·3 claims
- 1132US4677437AInput signal switching matrix for an elevatorMITSUBISHI ELECTRIC CORP·Filed 1986·Granted Jun 30, 1987·5 cites·1 claims
- 1232US4515246AApparatus for controlling the arrival of an elevator cage at an elevator floorMITSUBISHI ELECTRIC CORP·Filed 1983·Granted May 7, 1985·3 cites·10 claims
- 1331US4489811AApparatus for decelerating elevator at terminating floorMITSUBISHI ELECTRIC CORP·Filed 1983·Granted Dec 25, 1984·3 cites·9 claims
- 1429US4375249AFloor selector system for elevator systemMITSUBISHI ELECTRIC CORP·Filed 1980·Granted Mar 1, 1983·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →